Acroprint 01-0182-000 Model ES700 Electronic Time Recorder, Internal Battery Backup Maintains Time Even During Power Outages, Accommodates Right or Left-hand Time Cards, Selectable Hour Format Electronic payroll recorder and time stamp Versatile operation - automatic, semi-automatic or manual print operations The atomic feature synchronizes time automatically providing accurate time from U.S. Atomic Clock Automatic date advance and Daylight Saving Time adjustments save you time Over 150 print configurations Made in USA. Refer to the PDF attached below in Technical Specification for User Manual